David James O'Donoghue,
Dictionary of National Biography…
(1912)
“ Mainly through his influence the Gaelic Athletic Association became a great force in the rural life of Ireland. He was a stern and exacting administrator and an admirable manager of diocesan affairs. A strong nationalist, holding advanced views on the agrarian problem, Croke threw himself with ardour into the land agitation which broke out in 1878, soon after his arrival in Cashel. His unvarying support of the land agitation and of the Irish nationalist party powerfully aided the advance of the nationalist cause. ”
